Glossary

Glossary

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There are 4 names in this directory beginning with the letter T.
Temporomandibular Joint (TMJ) Disorder
The temporomandibular (say: tem-puh-ro-man-DIB-yuh-ler) joint is the place where your lower jaw (mandible) attaches to your skull. It is the joint that allows you to open and close your jaw. There is a shock-absorbing disc between the two parts of the joint (similar to the discs in your spine). There is also a set of specialized muscles that control movement of the joint.

Tension type headache
Tension type headache (TTH) is the most common headache type. About 40% (40 out of 100) of people have had a TTH. They are most often less severe than migraine headaches. A small number of people will have very severe TTH. When they are very severe, or happen very often, they can be very hard to tell apart from migraine.

Traumatic brain injury
A traumatic brain injury (TBI) happens when there is a sudden impact to the head causing injury to the brain. This can range from a mild concussion after a sports injury to a coma and severe brain damage after a motor vehicle collision.

Trigeminal Neuralgia and Atypical Facial Pain
Trigeminal neuralgia (say: try-GEM-uh-nuhl noo-RAHL-juh) is a very specific kind of facial pain that involves the trigeminal nerve (or fifth cranial nerve). It has also been called "tic douloureux," because of the way that the pain can be very sudden and cause spasms in the facial muscles. It is fairly rare, with only four or five people in 100,000 affected.